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Finding the Fourth Proportional to 57,293.96, 79,061.93 and 31,799.09

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Solution

The fourth proportional to 57,293.96, 79,061.93 and 31,799.09 is: 43,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,293.96 : 79,061.93 = 31,799.09 : x
  2. Step 2: Convert to fraction form
    57,293.96/79,061.93 = 31,799.09/x
  3. Step 3: Cross multiply
    57,293.96x = 79,061.93 × 31,799.09
  4. Step 4: Simplify right side
    57,293.96x = 2,514,097,719.09
  5. Step 5: Solve for x
    x = 2,514,097,719.09/57,293.96
  6. Step 6: Final answer
    x = 43,880.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.